我行我素购物管理系统.doc

我行我素改为：沃尔玛一类：import java.util.*;public class Menu Scanner in = new Scanner(System.in);public void showLogin()boolean No;do No = false;System.out.println(欢迎进入沃尔玛购物系统);System.out.println(1.登录);System.out.println(2.退出);System.out.println(请选择菜单：);int choice = in.nextInt();switch (choice) case 1:System.out.println(请输入用户名：);String name = in.next();System.out.println(请输入密码：);String pwd = in.next();if (jay.equals(name)&123.com.equals(pwd) showMain();else No = true;break;case 2:System.out.println(系统退出！);break;default:break;System.out.println(用户没权限访问！); while (No);public void showMain()System.out.println(沃尔玛用户管理理系统);System.out.println(*);System.out.println(1.用户信息管理);System.out.println(2.幸运抽奖);System.out.println(*);System.out.println(请选择菜单,0返回上一层：);boolean No;do int choice = in.nextInt();No = false;if (choice=1) showCust();else if (choice=2) showSend();else if (choice=0) showLogin();else System.out.println(输入错误，请重新输入：);No = true; while (No);public void showCust()System.out.println(客户信息管理系统);System.out.println(*);System.out.println(1.修改客户信息);System.out.println(2.修改客户密码);System.out.println(*);System.out.println(请选择菜单,0返回上一层：);boolean No;do No= false;int choice = in.nextInt();if (choice=1) System.out.println(执行客户修改信息);else if (choice =2) System.out.println(执行修改客户密码);else if (choice=0) showMain();else System.out.println(输入错误，请重新输入：);No = true; while (No);public void showSend()System.out.println(幸运抽奖系统);System.out.println(*);System.out.println(1.幸运大抽奖);System.out.println(2.积分兑换);System.out.println(*);System.out.println(请选择菜单,0返回上一层：);boolean No;do No= false;int choice = in.nextInt();if (choice=1) System.out.println(执行幸运大抽奖);else if (choice =2) System.out.println(执行积分兑换);else if (choice=0) showMain();else System.out.println(输入错误，请重新输入：);No = true; while (No);二，主方法：public class rest /* * param args */public static